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A giant 'shadow' has been creeping across Mars for 50 years — and scientists aren't sure whyA dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have a loose understanding of what it is, but they can't properly explain its gradual growth.
4 Commentsmars -
Live Science crossword puzzle #39: God of war from Ancient Greek mythology — 2 downScience crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
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Bright-green fireball meteor caught exploding above famous Viking raid site in UKPhotographers caught a spectacular emerald-green fireball meteor streaking above Lindisfarne in northeast England, where Viking raiders famously killed and robbed Christian monks in the eighth century.
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The first black hole ever discovered is spewing 'dancing jets' at half the speed of lightAstronomers have accurately measured the "dancing" energy jets of the first confirmed black hole, Cygnus X-1, more than 60 years after it was first spotted.
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Live Science crossword puzzle #38: Largest non-polar desert in the world — 10 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
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Mini lake meets snowy rim of Canada's oldest ice massEarth from space A 2010 satellite photo shows the point where a small lake bisects the snowy rim of an ancient glacier on Canada's Baffin Island. The rippling, snow-rimmed structure is the last remaining fragment of a colossal ice sheet that once covered large parts of North America.
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'RIP, Comet MAPS': Watch the superbright sungrazer become a 'headless wonder' after being ripped apart by the sunNew images show the sungrazer comet C/2026 A1 (MAPS) did not survive its close approach to our home star. Instead, the celestial object briefly turned into a "headless wonder" before fully disintegrating.
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Live Science crossword puzzle #37: The seventh planet from the sun — 2 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Science crossword -
Deadly, vivid-green mass sprawls across South African reservoirEarth from space A 2022 satellite photo shows a thick mat of blooming algae and invasive aquatic plants spreading across the surface of the reservoir at South Africa's Hartebeespoort Dam. The verdant mass is both toxic and capable of depleting the water's oxygen levels.
4 CommentsEarth from space -
Chinese satellite with robotic 'octopus arm' passes key refueling test in orbit — making longer-lived space assets more likelyThe experimental Hukeda-2 satellite and its highly flexible robotic arm have passed a major refuelling test in low Earth orbit. The demonstration is the latest step toward China significantly expanding the longevity of its spacecraft.
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'We go for all of humanity': Artemis II rocket lifts off to the moon — look back at our live coverageLive Blog The Artemis II crew have left Earth and are bound for the moon. Take a look back at our live blog's launch coverage from the days, hours and seconds until takeoff.
168 CommentsLive Blog -
'Farting' comet seen reversing its spin for the first time everA new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing its rotational direction via "outgassing" during a flyby of Earth in 2017.
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Artemis II timeline: 12 key steps that will take NASA astronauts to the moon and backNASA is gearing up to send astronauts back to the lunar environment for the first time in nearly 55 years. We've broken the 10-day mission into 12 key steps, from the historic liftoff to a record-breaking splashdown.
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Concentric rocky rings adorned with ancient artwork wear a magma 'hat' in the SaharaEarth from space A 2025 astronaut photo shows a massif made of concentric mountain ridges in the Libyan desert. The rocky walls contain ancient artworks and are occasionally used to contain herds of grazing cattle.
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Live Science crossword puzzle #36: America's national bird — 11 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
Science crossword -
Farthest, fastest and most diverse: 6 major records the Artemis II astronauts will smash as NASA returns to the moonThe Artemis II astronauts will soon launch on the first crewed mission to the moon in more than 50 years. During this trip, they will travel farther and faster than any humans in history — and will each claim a different individual record.
2 Commentsspace-exploration -
How many moons are in the solar system?The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?
astronomy -
Cannonball-size meteorite crashes through roof of Texas home as multiple 'fireballs' rain down on the USA suspected space rock, around the size of a cantaloupe, was found in the bedroom of a Houston home after crashing through the building's roof. It is likely a fragment of one of several "fireball" meteors that exploded over the U.S. in the past week.
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Extreme blast of Arctic air from polar vortex paints a picturesque plume off Florida coastEarth from space A recent satellite photo captured a stunning scene of sediment swirling across the West Florida Shelf after an extreme cold snap that covered large parts of the eastern U.S. in snow.
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Russian rocket en route to ISS suffers major antenna glitch, triggering remote-control astronaut 'backup plan'NASA has revealed that Russia's Progress 94 spacecraft failed to deploy one of its antennae, making it impossible for the uncrewed freighter to autonomously dock with the International Space Station. An orbiting cosmonaut will now have to manually guide the stricken vessel using a "backup system."
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Live Science crossword puzzle #35: Hardy 'micro-animal' that can survive in many extreme environments — 8 down
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
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Scientists witness birth of one of the universe's strongest magnets for the first time, thanks to a general relativity 'magic trick'Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.
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Rare 'daytime fireball' meteor creates powerful sonic boom as 7-ton space rock explodes above eastern USA fridge-size space rock spectacularly broke apart over Ohio at 40,000 mph, creating a loud boom and a "fireball" that shone in the bright blue daytime sky. The rare sight, which exploded with the equivalent force of 250 tons of TNT, was also seen from space.
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Rainbow-colored phantom lakes emerge around Namibia's 'Great White Place'Earth from space A 2011 astronaut photo shows off a series of colorful mini-lakes that appeared around the edge of a giant salt flat, known as the Etosha Pan, following a major flooding event.
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